Exposure
ID
MATIS.2025-06-25T01:17:25.187_1
Header ID
MATIS.2025-06-25T01:17:25.187
Date updated
2025-06-25 01:25:37 UTC+0000
Release date
2025-06-25 01:17:25 UTC+0000
UTC Start
2025-06-25 01:17:25.187
UTC End
2025-06-25 01:18:25.195
MJD Start
60851.05376374
MJD End
60851.05445827704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.001985
Ambient temperature (°C)
7.51
Seeing (arcsec)
1.21
Observation
ID
68244
Category
calibrator
Program ID
115.27VC.005
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: IMAGING THE RED SUPERGIANT VX SAGITARII WITH VLTI AND ALMA
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / KRTICKA / PALADINI / HÖFNER / FREYTAG / HUMPHREYS
Target
ID
50633
Name
del Sgr
RA
275.247445
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 20.0540 20.1010 127.5000 127.5000
A0-D0 26.0530 26.0940 34.2000 34.4000
A0-C1 15.5090 15.5740 93.5540 93.6680
B2-D0 33.7860 33.7860 357.8000 358.0000
B2-C1 11.2550 11.2550 357.8040 357.9540
D0-C1 22.5310 22.5310 177.8480 177.9980
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.005
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60851.05376374
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247445
DEC -29.82826
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN ID LOW
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 20.054
HIERARCH ESO ISS PBL12 END 20.101
HIERARCH ESO ISS PBLA12 START 127.5
HIERARCH ESO ISS PBLA12 END 127.5
HIERARCH ESO ISS PBL13 START 26.053
HIERARCH ESO ISS PBL13 END 26.094
HIERARCH ESO ISS PBLA13 START 34.2
HIERARCH ESO ISS PBLA13 END 34.4
HIERARCH ESO ISS PBL14 START 15.509
HIERARCH ESO ISS PBL14 END 15.574
HIERARCH ESO ISS PBLA14 START 93.554
HIERARCH ESO ISS PBLA14 END 93.668
HIERARCH ESO ISS PBL23 START 33.786
HIERARCH ESO ISS PBL23 END 33.786
HIERARCH ESO ISS PBLA23 START 357.8
HIERARCH ESO ISS PBLA23 END 358.0
HIERARCH ESO ISS PBL24 START 11.255
HIERARCH ESO ISS PBL24 END 11.255
HIERARCH ESO ISS PBLA24 START 357.804
HIERARCH ESO ISS PBLA24 END 357.954
HIERARCH ESO ISS PBL34 START 22.531
HIERARCH ESO ISS PBL34 END 22.531
HIERARCH ESO ISS PBLA34 START 177.848
HIERARCH ESO ISS PBLA34 END 177.998
HIERARCH ESO ISS AMBI TAU0 START 0.001985
HIERARCH ESO ISS AMBI TAU0 END 0.001985
HIERARCH ESO ISS AMBI TEMP 7.51
HIERARCH ESO ISS AMBI FWHM START 1.21
HIERARCH ESO ISS AMBI FWHM END 1.21